Christuk

• Ba-Cu-Nd-S
• Ba-Cu-Gd-S
• Ba-Cu-La-Se
• Ba-Ce-Cu-S
• Ba-Ce-Cu-Se
• magnetic properties
• structural properties
• optical properties
• reflectivity
• Curie-Weiss paramagnetism
• rare earth
• quaternary
• chalcogen
• non-disordered
• alkaline
• orthorhombic